Home / 112,989.90-155,925.63-62,003.49

Finding the Fourth Proportional to 112,989.90, 155,925.63 and 62,003.49

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Solution

The fourth proportional to 112,989.90, 155,925.63 and 62,003.49 is: 85,564.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,989.90 : 155,925.63 = 62,003.49 : x
  2. Step 2: Convert to fraction form
    112,989.90/155,925.63 = 62,003.49/x
  3. Step 3: Cross multiply
    112,989.90x = 155,925.63 × 62,003.49
  4. Step 4: Simplify right side
    112,989.90x = 9,667,933,240.45
  5. Step 5: Solve for x
    x = 9,667,933,240.45/112,989.90
  6. Step 6: Final answer
    x = 85,564.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.